InChI=1/C18H20N2O4S/c1-20(25(23,24)16-7-2-4-12(8-16)11-19)18(22)15-9-13-5-3-6-14(10-15)17(13)21/h2,4,7-8,13-15H,3,5-6,9-10H2,1H3/t13-,14+,15?	1B8A9F04AE0BF1AD